Submission #100597

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
100597	2019-03-12T15:17:22 Z	tmwilliamlin168	Bitaro’s Party (JOI18_bitaro)	C++14	100 / 100	1245 ms	61148 KB

bitaro

#include <bits/stdc++.h>
using namespace std;
 
const int mxN=1e5, bs=60;
int n, m, q, dp2[mxN], c[mxN];
vector<int> adj[mxN];
vector<array<int, 2>> dp1[mxN];
bool a[mxN];
 
int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	
	cin >> n >> m >> q;
	for(int i=0, u, v; i<m; ++i)
		cin >> u >> v, --u, --v, adj[v].push_back(u);
	for(int i=0; i<n; ++i) {
		vector<int> w={i};
		for(int v : adj[i]) {
			for(array<int, 2> p : dp1[v]) {
				if(!c[p[1]])
					w.push_back(p[1]);
				c[p[1]]=max(p[0]+1, c[p[1]]);
			}
		}
		nth_element(w.begin(), w.begin()+min(bs, (int)w.size()), w.end(), [&](int a, int b) {
			return c[a]>c[b];
		});
		for(int j=0; j<min(bs, (int)w.size()); ++j)
			dp1[i].push_back({c[w[j]], w[j]});
		for(int wi : w)
			c[wi]=0;
	}
	while(q--) {
		int t, y, ans=-1;
		cin >> t >> y, --t;
		for(int i=0; i<y; ++i) {
			cin >> c[i], --c[i];
			a[c[i]]=1;
		}
		if(y>=bs) {
			for(int i=0; i<=t; ++i) {
				dp2[i]=a[i]?-n:0;
				for(int v : adj[i])
					dp2[i]=max(dp2[v]+1, dp2[i]);
			}
			ans=max(dp2[t], ans);
		} else 
			for(array<int, 2> p : dp1[t])
				if(!a[p[1]])
					ans=max(p[0], ans);
		for(int i=0; i<y; ++i)
			a[c[i]]=0;
		cout << ans << "\n";
	}
}

Subtask #1
7.0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	7 ms	5120 KB	Output is correct
2	Correct	6 ms	4992 KB	Output is correct
3	Correct	7 ms	4992 KB	Output is correct
4	Correct	7 ms	5120 KB	Output is correct
5	Correct	11 ms	5504 KB	Output is correct
6	Correct	10 ms	5504 KB	Output is correct
7	Correct	9 ms	5376 KB	Output is correct
8	Correct	9 ms	5532 KB	Output is correct
9	Correct	10 ms	5604 KB	Output is correct
10	Correct	10 ms	5632 KB	Output is correct
11	Correct	11 ms	5504 KB	Output is correct
12	Correct	9 ms	5456 KB	Output is correct
13	Correct	11 ms	5632 KB	Output is correct
14	Correct	9 ms	5376 KB	Output is correct
15	Correct	9 ms	5376 KB	Output is correct
16	Correct	11 ms	5376 KB	Output is correct
17	Correct	8 ms	5504 KB	Output is correct
18	Correct	8 ms	5376 KB	Output is correct
19	Correct	9 ms	5504 KB	Output is correct

Subtask #2
7.0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	7 ms	5120 KB	Output is correct
2	Correct	6 ms	4992 KB	Output is correct
3	Correct	7 ms	4992 KB	Output is correct
4	Correct	7 ms	5120 KB	Output is correct
5	Correct	11 ms	5504 KB	Output is correct
6	Correct	10 ms	5504 KB	Output is correct
7	Correct	9 ms	5376 KB	Output is correct
8	Correct	9 ms	5532 KB	Output is correct
9	Correct	10 ms	5604 KB	Output is correct
10	Correct	10 ms	5632 KB	Output is correct
11	Correct	11 ms	5504 KB	Output is correct
12	Correct	9 ms	5456 KB	Output is correct
13	Correct	11 ms	5632 KB	Output is correct
14	Correct	9 ms	5376 KB	Output is correct
15	Correct	9 ms	5376 KB	Output is correct
16	Correct	11 ms	5376 KB	Output is correct
17	Correct	8 ms	5504 KB	Output is correct
18	Correct	8 ms	5376 KB	Output is correct
19	Correct	9 ms	5504 KB	Output is correct
20	Correct	81 ms	6720 KB	Output is correct
21	Correct	77 ms	6648 KB	Output is correct
22	Correct	72 ms	6648 KB	Output is correct
23	Correct	76 ms	6716 KB	Output is correct
24	Correct	489 ms	49672 KB	Output is correct
25	Correct	476 ms	49996 KB	Output is correct
26	Correct	458 ms	49784 KB	Output is correct
27	Correct	393 ms	60664 KB	Output is correct
28	Correct	383 ms	60664 KB	Output is correct
29	Correct	404 ms	60792 KB	Output is correct
30	Correct	361 ms	60468 KB	Output is correct
31	Correct	432 ms	60212 KB	Output is correct
32	Correct	401 ms	60572 KB	Output is correct
33	Correct	380 ms	42232 KB	Output is correct
34	Correct	322 ms	39800 KB	Output is correct
35	Correct	308 ms	42184 KB	Output is correct
36	Correct	364 ms	51064 KB	Output is correct
37	Correct	397 ms	49320 KB	Output is correct
38	Correct	339 ms	51068 KB	Output is correct

Subtask #3
86.0 / 86.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	7 ms	5120 KB	Output is correct
2	Correct	6 ms	4992 KB	Output is correct
3	Correct	7 ms	4992 KB	Output is correct
4	Correct	7 ms	5120 KB	Output is correct
5	Correct	11 ms	5504 KB	Output is correct
6	Correct	10 ms	5504 KB	Output is correct
7	Correct	9 ms	5376 KB	Output is correct
8	Correct	9 ms	5532 KB	Output is correct
9	Correct	10 ms	5604 KB	Output is correct
10	Correct	10 ms	5632 KB	Output is correct
11	Correct	11 ms	5504 KB	Output is correct
12	Correct	9 ms	5456 KB	Output is correct
13	Correct	11 ms	5632 KB	Output is correct
14	Correct	9 ms	5376 KB	Output is correct
15	Correct	9 ms	5376 KB	Output is correct
16	Correct	11 ms	5376 KB	Output is correct
17	Correct	8 ms	5504 KB	Output is correct
18	Correct	8 ms	5376 KB	Output is correct
19	Correct	9 ms	5504 KB	Output is correct
20	Correct	81 ms	6720 KB	Output is correct
21	Correct	77 ms	6648 KB	Output is correct
22	Correct	72 ms	6648 KB	Output is correct
23	Correct	76 ms	6716 KB	Output is correct
24	Correct	489 ms	49672 KB	Output is correct
25	Correct	476 ms	49996 KB	Output is correct
26	Correct	458 ms	49784 KB	Output is correct
27	Correct	393 ms	60664 KB	Output is correct
28	Correct	383 ms	60664 KB	Output is correct
29	Correct	404 ms	60792 KB	Output is correct
30	Correct	361 ms	60468 KB	Output is correct
31	Correct	432 ms	60212 KB	Output is correct
32	Correct	401 ms	60572 KB	Output is correct
33	Correct	380 ms	42232 KB	Output is correct
34	Correct	322 ms	39800 KB	Output is correct
35	Correct	308 ms	42184 KB	Output is correct
36	Correct	364 ms	51064 KB	Output is correct
37	Correct	397 ms	49320 KB	Output is correct
38	Correct	339 ms	51068 KB	Output is correct
39	Correct	535 ms	50052 KB	Output is correct
40	Correct	511 ms	49692 KB	Output is correct
41	Correct	1176 ms	50432 KB	Output is correct
42	Correct	577 ms	50124 KB	Output is correct
43	Correct	452 ms	49904 KB	Output is correct
44	Correct	117 ms	7032 KB	Output is correct
45	Correct	75 ms	6724 KB	Output is correct
46	Correct	202 ms	6648 KB	Output is correct
47	Correct	105 ms	6648 KB	Output is correct
48	Correct	75 ms	6792 KB	Output is correct
49	Correct	516 ms	60992 KB	Output is correct
50	Correct	1245 ms	60664 KB	Output is correct
51	Correct	114 ms	7032 KB	Output is correct
52	Correct	184 ms	6636 KB	Output is correct
53	Correct	431 ms	51092 KB	Output is correct
54	Correct	511 ms	49352 KB	Output is correct
55	Correct	1231 ms	51196 KB	Output is correct
56	Correct	1183 ms	49656 KB	Output is correct
57	Correct	102 ms	7088 KB	Output is correct
58	Correct	106 ms	7096 KB	Output is correct
59	Correct	207 ms	6904 KB	Output is correct
60	Correct	211 ms	6812 KB	Output is correct
61	Correct	462 ms	60760 KB	Output is correct
62	Correct	487 ms	51180 KB	Output is correct
63	Correct	515 ms	49400 KB	Output is correct
64	Correct	719 ms	60736 KB	Output is correct
65	Correct	598 ms	51000 KB	Output is correct
66	Correct	613 ms	49704 KB	Output is correct
67	Correct	779 ms	60792 KB	Output is correct
68	Correct	781 ms	51280 KB	Output is correct
69	Correct	859 ms	49148 KB	Output is correct
70	Correct	454 ms	60776 KB	Output is correct
71	Correct	409 ms	51068 KB	Output is correct
72	Correct	385 ms	49392 KB	Output is correct
73	Correct	414 ms	60744 KB	Output is correct
74	Correct	405 ms	51192 KB	Output is correct
75	Correct	466 ms	49372 KB	Output is correct
76	Correct	476 ms	61148 KB	Output is correct
77	Correct	1004 ms	60940 KB	Output is correct
78	Correct	428 ms	60792 KB	Output is correct
79	Correct	130 ms	7288 KB	Output is correct
80	Correct	145 ms	6648 KB	Output is correct
81	Correct	72 ms	6620 KB	Output is correct
82	Correct	463 ms	61020 KB	Output is correct
83	Correct	578 ms	60380 KB	Output is correct
84	Correct	890 ms	60828 KB	Output is correct
85	Correct	1034 ms	60352 KB	Output is correct
86	Correct	398 ms	60684 KB	Output is correct
87	Correct	478 ms	60152 KB	Output is correct
88	Correct	131 ms	7288 KB	Output is correct
89	Correct	107 ms	7028 KB	Output is correct
90	Correct	132 ms	6648 KB	Output is correct
91	Correct	204 ms	6776 KB	Output is correct
92	Correct	69 ms	6648 KB	Output is correct
93	Correct	72 ms	6776 KB	Output is correct
94	Correct	405 ms	42616 KB	Output is correct
95	Correct	423 ms	39772 KB	Output is correct
96	Correct	845 ms	42616 KB	Output is correct
97	Correct	1140 ms	40440 KB	Output is correct
98	Correct	412 ms	42616 KB	Output is correct
99	Correct	447 ms	39928 KB	Output is correct
100	Correct	100 ms	7032 KB	Output is correct
101	Correct	121 ms	7032 KB	Output is correct
102	Correct	140 ms	6648 KB	Output is correct
103	Correct	137 ms	6752 KB	Output is correct
104	Correct	91 ms	6620 KB	Output is correct
105	Correct	87 ms	6804 KB	Output is correct
106	Correct	514 ms	51256 KB	Output is correct
107	Correct	546 ms	49580 KB	Output is correct
108	Correct	761 ms	51368 KB	Output is correct
109	Correct	1123 ms	49524 KB	Output is correct
110	Correct	399 ms	51368 KB	Output is correct
111	Correct	421 ms	49656 KB	Output is correct
112	Correct	126 ms	7032 KB	Output is correct
113	Correct	122 ms	7088 KB	Output is correct
114	Correct	139 ms	6648 KB	Output is correct
115	Correct	160 ms	6620 KB	Output is correct
116	Correct	81 ms	6780 KB	Output is correct
117	Correct	87 ms	6648 KB	Output is correct
118	Correct	440 ms	60408 KB	Output is correct
119	Correct	360 ms	50808 KB	Output is correct
120	Correct	408 ms	49028 KB	Output is correct
121	Correct	406 ms	60408 KB	Output is correct
122	Correct	328 ms	50808 KB	Output is correct
123	Correct	396 ms	48888 KB	Output is correct
124	Correct	546 ms	60792 KB	Output is correct
125	Correct	580 ms	51352 KB	Output is correct
126	Correct	568 ms	49276 KB	Output is correct

Submission #100597

Compilation message

Subtask #1 7.0 / 7.0

Subtask #2 7.0 / 7.0

Subtask #3 86.0 / 86.0

Subtask #1
7.0 / 7.0

Subtask #2
7.0 / 7.0

Subtask #3
86.0 / 86.0